When her mother's remarriage takes her family into a much wealthier neighborhood, thirteen-year-old Kristy finds herself surrounded by snobbish girls who compare clothes, make fun of the Baby-sitters Club, and insult her aging dog.

Struggling with Asperger's, Rose shares a bond with her beloved dog, but when the dog goes missing during a storm, Rose is forced to confront the limits of her comfort levels, even if it means leaving her routines in order to search for her pet.